827676820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 1850688000

約数和(自身を除く): 1023011180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 101, 116, 142, 145, 199, 202, 284, 290, 355, 398, 404, 505, 580, 710, 796, 995, 1010, 1420, 1990, 2020, 2059, 2929, 3980, 4118, 5771, 5858, 7171, 8236, 10295, 11542, 11716, 14129, 14342, 14645, 20099, 20590, 23084, 28258, 28684, 28855, 29290, 35855, 40198, 41180, 56516, 57710, 58580, 70645, 71710, 80396, 100495, 115420, 141290, 143420, 200990, 207959, 282580, 401980, 409741, 415918, 582871, 819482, 831836, 1039795, 1165742, 1427029, 1638964, 2048705, 2079590, 2331484, 2854058, 2914355, 4097410, 4159180, 5708116, 5828710, 7135145, 8194820, 11657420, 14270290, 28540580, 41383841, 82767682, 165535364, 206919205, 413838410, 827676820]

約数ペア:

[(1, 827676820), (2, 413838410), (4, 206919205), (5, 165535364), (10, 82767682), (20, 41383841), (29, 28540580), (58, 14270290), (71, 11657420), (101, 8194820), (116, 7135145), (142, 5828710), (145, 5708116), (199, 4159180), (202, 4097410), (284, 2914355), (290, 2854058), (355, 2331484), (398, 2079590), (404, 2048705), (505, 1638964), (580, 1427029), (710, 1165742), (796, 1039795), (995, 831836), (1010, 819482), (1420, 582871), (1990, 415918), (2020, 409741), (2059, 401980), (2929, 282580), (3980, 207959), (4118, 200990), (5771, 143420), (5858, 141290), (7171, 115420), (8236, 100495), (10295, 80396), (11542, 71710), (11716, 70645), (14129, 58580), (14342, 57710), (14645, 56516), (20099, 41180), (20590, 40198), (23084, 35855), (28258, 29290), (28684, 28855)]